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Image 26 of Annual report. 1917

Part of Kentucky Agricultural Experiment Station

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<; "°§‘ ` 12 Thirtieth Ammel Report 0f the — j i discontinued in 1915, and a permanent one was established in . 1916 at Fariston, five miles below London, on the same type of _ Qi ·* soil. . ; i O11e corn crop, two soy bean hay crops and one wheat crop i l » i‘ V have been obtained from the new field. For these four crops the net value of the increase over cost of fertilizers has been i T i $16.08 for acid phosphate, $24.06 for limestone and acid phos- i _ ~. phate and $13.82 for 2-8-2 complete fertilizer. Acid phosphate · . and the complete fertilizer were used at the rate of 400 lbs. { A J per acre on the wheat and corn, and 200 lbs. per acre on one . soy bean hay crop, the other one following corn without addi- , ;§ - tional fertilizers. Limestone was used at the rate of 2 tons per ¤ ii . acre. Only 200 lbs. per acre of the phosphate and complete , ‘ i H `. fertilizer are charged against each crop, and only 1,000 lbs. of j _ limestone. The complete fertilizer is charged at only $24 per ° ton. Z The following results have been obtained on the Berea ~ i Experiment Field located on land belonging to Berea College, .. ··¤ with which the Experiment Station eo-operates in the conduct A ,_,· » , of the work. This soil belongs to the Devonian Area and is , i ·. ~ · very acid. The results are the average of three crops of corn '_ . and three crops of soy bean and eowpea hay, grown in 1912-15, Y; _·i; before drainage was installed. The corn and soy beans or cow- ,__. peas alternate in the rotation. This soil has such poor drain- .»,_‘ age that winter grains and red clover are generally winter- ?i¥}— , killed. However, remarkably iine sweet clover can be grown iii " i by the use of lime and phosphate, if the clover is sown in the 3 .,._. °ii` M spring, so that it may become well established before winter. p -si-_ Sweet clover and corn are recommended as a rotation for this soil, provided limestone Ftlltl phosphate are used. i —·`·i _ . r L: _· L . i . ~·ii i ii`` · wl ig . l